Compare the advancement and contours of the isobars between both days, and note how much further east development is shown on the second run. Surface boundary interactions along the Gulf region are notoriously capricious, especially in mid to late winter months. Note FridayвЂ™s Precipitation Type Forecast Animation and compare to todayвЂ™s Animation. On FridayвЂ™s post I mentioned that I rarely will forecast the exact track of a system too many days in advance, this is a good example of why. Our current Forecast Wind Chill Temperature Animation displays wind chills of 0вњЇ and below extending through the northern tier this evening, then gradually propagating eastward over the next few days with areas east into Michigan experiencing damaging wind chills through Wednesday, and areas from Maine south into deep Appalachia experiencing the cold Thursday, and portions of the New England states set to suffer into Friday. The Centers for Disease Control and Prevention has posted a guide that can be very helpful in preparing yourself for these types of conditions. Wind chill temperatures at these levels can pose serious risk to personal health and safety. While this round is not as severe as those experienced in January, wind chills at this level are nothing to sniff about. Wind chill warnings are popping up again as our Advisory Center currently shows wind chill advisories extending from North Dakota, and Minnesota southeast into northern Iowa and portions of Wisconsin. Forecast Wind Chill Temperature Animation

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